Tail light honda Amigo PF50

I was restoring a honda amigo from 1972 and the taillight was missing, so, 3D printing to the rescue, I modeled this taillight.

I recreated it from photos and without a real one as a reference, so it looks to me pretty accurate, but may not be exactly identical to the original.

Materials:

Body(top and bottom): I used pla, 0.20mm layer height, 2 walls, 15% infill 3 bottom and top layers. I would recommend however more walls, as it is actually just a bit too transparent for my liking.

Lens : PETG is a great candidate there, It needs to resist to heat as the bulb are quite close, and be transparent. I used spectrum transparent red PETG. Print parameters : 0.20mm layer height, 2 layers top and bottom and 15% infill gave great transparency.

Light bulbs connector : This part will endure heat much more than the other parts, I choosed polycarbonate for its high glass transition temp, but ABS should be fine too. Standard parameters : 0.20mm layer height, 2 walls, 15% infill 3 bottom and top layers gave great result

Assembly:

Body : I've cut it in two parts for better print results, but it should be possible to print it in one part. Assembly of the two part is simply done with cyanoacrylate glue, or, even better, with silicone to avoid any water leakage. ( but, even if water finds its way in, it would not do any damage : it will run along the body to the drain hole on the bottom ).

Light bulb connector : This is the tricky part, I used metal strip which I cut from a jar lid.

• The ground is common to the two bulbs
• The same metal strip should run into the four holes and cover the middle hole
• A screw would pass through the strip to connect to the ground later

For each bulb a tiny strip could be bent to provide power, and a cable soldered to it to allow to connect to the original cables on the moped.

Mounting on the mopped : With the strips in the light bulb socket in place, put a M4 screw through the ground strip and the hole. Put the socket in the case, let the screw pass through the case hole. A nut from behind the mopped mounting plate will secure it all and provide ground connection ( the mounting plate must be free of any paint or rust were the nut will touch it to provide a clean ground connection ).

Lens : Simply secure it with a M3 screw :)